import 'package:flutter/material.dart';

class ExampleScreen extends StatefulWidget {
  ExampleScreen({Key? key}) : super(key: key);

  @override
  State<ExampleScreen> createState() => _ExampleScreenState();
}

class _ExampleScreenState extends State<ExampleScreen> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('视频播放器')),
      body: Column(
        children: [
          TextField(
            decoration: InputDecoration(hintText: '输入SIM号'),
          ),
          TextField(
            decoration: InputDecoration(hintText: '输入通道数'),
          )
        ],
      ),
    );
  }
}
